Thread: please use remainder theorem to solve:

1. please use remainder theorem to solve:

x^3+6x^2-11x+8divided by x+1
please solve completely
THANKS

2. Originally Posted by Peacewanters007
x^3+6x^2-11x+8divided by x+1
please solve completely
THANKS
Hi Peacewanters007!

The remainder when $P(x)$ is divided by $x-a$ is $P(a)$.

So the remainder when $x^3+6x^2-11x+8$ is divided by $x+1$ is:

$P(-1) = (-1)^3+6(-1)^2-11(-1)+8 = -1+6+11+8=\boxed{24}$